Finding the Fourth Proportional to 149,776.96, 223,694.36 and 135,708.88
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Solution
The fourth proportional to 149,776.96, 223,694.36 and 135,708.88 is: 202,683.45
Step by Step Solution
- Step 1: Write the proportion equation
149,776.96 : 223,694.36 = 135,708.88 : x - Step 2: Convert to fraction form
149,776.96/223,694.36 = 135,708.88/x - Step 3: Cross multiply
149,776.96x = 223,694.36 × 135,708.88 - Step 4: Simplify right side
149,776.96x = 30,357,311,057.92 - Step 5: Solve for x
x = 30,357,311,057.92/149,776.96 - Step 6: Final answer
x = 202,683.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.